Electronic air cleaner



FIG. 1 is a front, top and left side perspective view of an electronic air cleaner showing our new design;

FIG. 2 is a front elevational view;

FIG. 3 is a left side elevational view, the right side being a mirror image of the left side shown;

FIG. 4 is a top plan view;

FIG. 5 is a rear elevational view; and

FIG. 6 is a bottom plan view. 

The ornamental design for an electronic air cleaner, as shown and described. 